EP1416736A4 - Image encoding apparatus and method - Google Patents
Image encoding apparatus and methodInfo
- Publication number
- EP1416736A4 EP1416736A4 EP02758789A EP02758789A EP1416736A4 EP 1416736 A4 EP1416736 A4 EP 1416736A4 EP 02758789 A EP02758789 A EP 02758789A EP 02758789 A EP02758789 A EP 02758789A EP 1416736 A4 EP1416736 A4 EP 1416736A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- encoding apparatus
- image encoding
- image
- encoding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
- H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/115—Selection of the code volume for a coding unit prior to coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
- H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
- H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001241543 | 2001-08-09 | ||
JP2001241543A JP2003061097A (en) | 2001-08-09 | 2001-08-09 | Image encoder and image-encoding method, recording medium and program |
PCT/JP2002/008036 WO2003017675A1 (en) | 2001-08-09 | 2002-08-06 | Image encoding apparatus and method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1416736A1 EP1416736A1 (en) | 2004-05-06 |
EP1416736A4 true EP1416736A4 (en) | 2007-10-03 |
Family
ID=19071964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02758789A Withdrawn EP1416736A4 (en) | 2001-08-09 | 2002-08-06 | Image encoding apparatus and method |
Country Status (6)
Country | Link |
---|---|
US (1) | US7649940B2 (en) |
EP (1) | EP1416736A4 (en) |
JP (1) | JP2003061097A (en) |
KR (1) | KR20040030424A (en) |
CN (1) | CN1268133C (en) |
WO (1) | WO2003017675A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3802521B2 (en) | 2003-09-02 | 2006-07-26 | ソニー株式会社 | Encoding apparatus, encoding control method, and encoding control program |
JP4650173B2 (en) | 2005-09-05 | 2011-03-16 | ソニー株式会社 | Encoding apparatus, encoding method, encoding method program, and recording medium recording the encoding method program |
JP4529919B2 (en) * | 2006-02-28 | 2010-08-25 | 日本ビクター株式会社 | Adaptive quantization apparatus and adaptive quantization program |
CN100405403C (en) * | 2006-08-03 | 2008-07-23 | 上海交通大学 | Digital image data coding method |
JP4668878B2 (en) * | 2006-09-22 | 2011-04-13 | Nttエレクトロニクス株式会社 | Encoder |
JP5988577B2 (en) * | 2011-12-28 | 2016-09-07 | キヤノン株式会社 | Image coding apparatus, image coding method, and program |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0848559A2 (en) * | 1996-12-13 | 1998-06-17 | Matsushita Electric Industrial Co., Ltd. | Video coding and decoding method and apparatus |
US6167085A (en) * | 1997-07-31 | 2000-12-26 | Sony Corporation | Image data compression |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3050047B2 (en) * | 1994-06-24 | 2000-06-05 | 日本ビクター株式会社 | Moving picture coding apparatus and moving picture coding method |
JPH0818959A (en) | 1994-07-04 | 1996-01-19 | Matsushita Electric Ind Co Ltd | Method and device for encoding image signal |
JPH08163557A (en) * | 1994-12-06 | 1996-06-21 | Matsushita Electric Ind Co Ltd | Picture signal encoding method and picture signal encoder |
US6151360A (en) * | 1995-04-28 | 2000-11-21 | Sony Corporation | Method for encoding video signal using statistical information |
JPH1079948A (en) * | 1996-09-03 | 1998-03-24 | Mitsubishi Electric Corp | Image encoding device |
JP3324551B2 (en) | 1999-03-18 | 2002-09-17 | 日本電気株式会社 | Image signal encoding control device |
JP2001197501A (en) * | 2000-01-07 | 2001-07-19 | Fujitsu Ltd | Motion vector searching device and motion vector searching method, and moving picture coder |
US6831947B2 (en) * | 2001-03-23 | 2004-12-14 | Sharp Laboratories Of America, Inc. | Adaptive quantization based on bit rate prediction and prediction error energy |
-
2001
- 2001-08-09 JP JP2001241543A patent/JP2003061097A/en active Pending
-
2002
- 2002-08-06 EP EP02758789A patent/EP1416736A4/en not_active Withdrawn
- 2002-08-06 KR KR10-2003-7004951A patent/KR20040030424A/en not_active Application Discontinuation
- 2002-08-06 CN CNB028027809A patent/CN1268133C/en not_active Expired - Fee Related
- 2002-08-06 WO PCT/JP2002/008036 patent/WO2003017675A1/en active Application Filing
- 2002-08-06 US US10/398,687 patent/US7649940B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0848559A2 (en) * | 1996-12-13 | 1998-06-17 | Matsushita Electric Industrial Co., Ltd. | Video coding and decoding method and apparatus |
US6167085A (en) * | 1997-07-31 | 2000-12-26 | Sony Corporation | Image data compression |
Non-Patent Citations (2)
Title |
---|
KING N NGAN ET AL: "ADAPTIVE COSINE TRANSFORM CODING OF IMAGES IN PERCEPTUAL DOMAIN", IEEE TRANSACTIONS ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, IEEE INC. NEW YORK, US, vol. 37, no. 11, 1 November 1989 (1989-11-01), pages 1743 - 1749, XP000074460, ISSN: 0096-3518 * |
See also references of WO03017675A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20040030424A (en) | 2004-04-09 |
EP1416736A1 (en) | 2004-05-06 |
CN1473436A (en) | 2004-02-04 |
JP2003061097A (en) | 2003-02-28 |
CN1268133C (en) | 2006-08-02 |
WO2003017675A1 (en) | 2003-02-27 |
US20040066975A1 (en) | 2004-04-08 |
US7649940B2 (en) | 2010-01-19 |
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Legal Events
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Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20090421 |